Combined punching and shearing machine



(No Model.)

0. OROTHERS COMBINED PUNQHING AND SEEARING MACHINE. No. 368,571.

Patented Aug. 23, 1887.

ilnrrnp STATES Prion.

CALEB OROTHERS, OF WYANDOTTE, KANSAS.

COMBINED PUNCHING AND SHEARING MACHINE.

SPECIFICATION forming part of Letters Patent No. 368,571, dated August 23, 1887.

Application filed April 6, 1887. Serial No. 233,923. (No model.)

To aZZ whom it may concern.-

Be it known that I, CALEB ORornnRs, a citizen of the United States, residing at \Vyandotte, in the county of Wyandotte and State of Kansas, have invented a new and useful Improvement in Punches and Shears, of which the following is a specification.

My invention relates to an improvement in punches and shears for cutting and punching iron or other metal; and it consists in the peculiar construction and combination of devices that will be more fully set forth hereinafter, and particularly pointed out in the claims.

In the drawings, Figure l is a perspective view of a combined punch and shears embodying my improvements. Fig. 2 is a vertical longitudinal sectional view of the same. Fig. 3 is a vertical transverse sectional view of the same, taken on the line a a: of Fig. 2. Fig. 4 is partly a top plan view and partly a horizontal section taken on the line 3 y of Fig. 2.

A represents a casting forming the base of the punch and shears. From one end of the said casting projects a lower horizontal arm, 13, and above the said arm, and at a suitable distance from the same, is a horizontal arm, 0, which is somewhat longer than the arm B. In the upper side of the arm B, near the outer end thereof, is made a transverse dovetailed groove, D.

E represents a die=holder, which tits in the said groove, and F represents a wedge-shaped key adapted to bear between one side of the die-holder and the opposing side of the groove to secure the die-holder firmly in place therein. The dic-holder is provided with a central opening, G, adapted to receive and retain the die H. Aseries of the dies H, having centralopenings of different sizes, are

provided for the dieholder.

In the upper side of the arm 0, near one edge thereof, is made a longitudinal groove, I, the lower side of which is horizontal.

K represents the lower blade or cutter, which is secured in one side of the groove I by means of a key, L.

M represents a wedge-shaped key, which is adapted to be inserted in the lower side of the groove I, and to bear under the lower projecting end of the arm 0 by means of a transverse bolt, 0.

In one side of the jaw N is a longitudinal recess, P, in which is secured the upper blade or cutter, R, by means of bolts or screws S.

To the outer end of the casting Ais pivoted the. inner end of a hand-lever, P, and

the said lever is connected to the free end of the jaw N by means of links U. By raising the free end of the hand-lever l? the free end of the jaw will be elevated, so as to open the blade It from the blade K, and by lowering the free end of the hand-lever the blade R will be caused to descend on one side of the upper edge of the blade K, and thereby cut or shear a plate or bar of metal placed between the said blades.

V represents a vertical opening which is made in the arm 0 directly above the center of the groove D. In this opening V is avertically-movable plunger, WV, the upper end of which is connected to the lever-jaw N by means of links X. The lower end of the plunger is provided with a vertical opening adapted to receive the upper end of a punch, Y, which corresponds to the die secured in the die-holder. When the lever-arn1 I is lowered,the punch is caused to enter the opening in the die, and thereby a plate or bar of metal placed on the said die will have an opening made init by the punch as the latter descends.

Having thus described my invention, I c1aim- 1. In a punching and shearing machine, the combination of the base or casting A, having the horizontal arm B, and the arm 0 above the arm B, the lever-jaw N,pivoted to the arm 0, the blade R, secured to the lever-jaw, the lower blade, K, secured in the upper side of the arm 0, the vertically-movable plunger WV, connected to the lever-jaw near the pivotal end thereof and extending through an opening in the arm 0, and the lever I connected to the lever-jaw to operate the latter, substantially as described.

lot)

2. In a punching and shearing machine, the my own I have hereto affixed my signature in combination of the base or casting A, havpresence of two Witnesses. ing the tapered groove I, the lower blade, K,

to fit in the groove I, and the key L and block CALEB OROTHERS' 5 M to secure the said blade in the groove I, Witnesses:

substantially as described. J. P. CLARK,

In testimony that I claim the foregoing as J. F, AIGLER. 

